Home / 38,211.20-57,317.76-14,842.88

Finding the Fourth Proportional to 38,211.20, 57,317.76 and 14,842.88

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Solution

The fourth proportional to 38,211.20, 57,317.76 and 14,842.88 is: 22,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.20 : 57,317.76 = 14,842.88 : x
  2. Step 2: Convert to fraction form
    38,211.20/57,317.76 = 14,842.88/x
  3. Step 3: Cross multiply
    38,211.20x = 57,317.76 × 14,842.88
  4. Step 4: Simplify right side
    38,211.20x = 850,760,633.55
  5. Step 5: Solve for x
    x = 850,760,633.55/38,211.20
  6. Step 6: Final answer
    x = 22,264.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.